Prometheus+Grafana+blackbox_exporter 监控 HTTP TCP PING ICMP
Prometheus Grafana DevOps About 3,526 wordsblackbox_exporter 下载地址
https://github.com/prometheus/blackbox_exporter/releases
后台启动
默认监听9115
端口,是blackbox_exporter
自带的Web
页面。
nohup /root/exporter/blackbox_exporter-0.19.0/blackbox_exporter \
--config.file="/root/exporter/blackbox_exporter-0.19.0/blackbox.yml" \
--web.listen-address=":9115" \
--log.level=debug \
> blackbox_exporter.out 2>&1 &
开机启动
编辑
vim /etc/systemd/system/blackbox_exporter.service
内容:ExecStart
需要修改为blackbox_exporter
二进制文件的绝对路径
[Unit]
Description=blackbox_exporter
Documentation=https://github.com/prometheus/blackbox_exporter
After=network.target
[Service]
Type=simple
User=root
ExecStart= /root/exporter/blackbox_exporter-0.19.0/blackbox_exporter
Restart=on-failure
[Install]
WantedBy=multi-user.target
设为开机启动
sudo systemctl enable blackbox_exporter.service
启动blackbox_exporter
sudo systemctl start blackbox_exporter.service
blackbox_exporter 默认端口
修改 Prometheus 配置
prometheus.yml
文件中修改。
- job_name: 'blackbox_http_2xx' # 配置 GET 请求检测
scrape_interval: 30s
metrics_path: /probe
params:
module: [http_2xx]
static_configs:
- targets: # 测试如下的请求是否可以访问的通
- 127.0.0.1:8080
- http://127.0.0.1:8080/test
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 127.0.0.1:9115 # blackbox-exporter 服务所在的机器和端口
- job_name: 'blackbox_http_post_2xx' # 配置 POST 请求检测
scrape_interval: 30s
metrics_path: /probe
params:
module: [http_post_2xx]
static_configs:
- targets: # 测试如下的 POST 请求是否可以访问的通,该 POST 请求不带参数
- http://127.0.0.1:8080/test2
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 127.0.0.1:9115 # blackbox-exporter 服务所在的机器和端口
- job_name: 'blackbox_http_ping' # 检测是否可以ping通某些机器
scrape_interval: 30s
metrics_path: /probe
params:
module: [icmp]
static_configs:
- targets:
- 127.0.0.1
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 127.0.0.1:9115 # blackbox-exporter 服务所在的机器和端口
- job_name: 'blackbox_tcp_connect' # 检测某些端口是否在线
scrape_interval: 30s
metrics_path: /probe
params:
module: [tcp_connect]
static_configs:
- targets:
- 127.0.0.1:8080 # Java 服务
- 127.0.0.1:9090 # prometheus 服务
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 127.0.0.1:9115 # blackbox-exporter 服务所在的机器和端口
检查配置文件
promtool check config /etc/prometheus/prometheus.yml
Docker
部署的Prometheus
可使用:
docker exec -it prometheus promtool check config /etc/prometheus/prometheus.yml
输出:
Checking /etc/prometheus/prometheus.yml
SUCCESS: 0 rule files found
重启 Prometheus
重启后可查看blackbox_exporter
是否上线。
Grafana Dashboard
Prometheus Blackbox Exporter:https://grafana.com/grafana/dashboards/7587
Blackbox Exporter Dashboard 20220107:https://grafana.com/grafana/dashboards/9965
开源地址
Views: 3,828 · Posted: 2022-02-21
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